YANKTON, SD 57078 Weather Forecast & Current Conditions

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57078 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
YANKTON, SD Current Weather
1:56 PM CDT AUG 15, 2026
Broken Clouds 79°F
Feels Like:	82°F
Dewpoint:	73°F
Rel. Hum.:	82%
Visibility:	10 miles
Wind:	NW at 7 mph
Pressure:
Last 72 hours
Local Area Snow Depth
South Dakota Current Weather
South Dakota MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

57078 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	YANKTON, SD 57078 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Showers with a chance of thunderstorms. Near steady temperature in the upper 70s. West winds around 5 mph. Chance of rain 90 percent.

TONIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the lower 60s. Northwest winds 5 to 10 mph.

SUNDAY
Sunny with highs in the upper 70s. Northwest winds 5 to 10 mph.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. North winds 5 to 10 mph, becoming southwest after midnight.

MONDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

MONDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of rain 50 percent.

TUESDAY
Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.

TUESDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 50 percent.

WEDNESDAY
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s.

WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s.

THURSDAY
Mostly cloudy in the morning, then mostly sunny with a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

THURSDAY NIGHT
Mostly clear with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 40 percent.

FRIDAY
Partly sunny in the morning, then clearing. Highs around 80.

57078 WEATHER SATELLITE LOOPS

Visible Weather Satellite
YANKTON, SD 57078

Infrared Weather Satellite
YANKTON, SD 57078

57078 WEATHER RADAR LOOP

NEXRAD Weather Radar
YANKTON, SD 57078

MOS COMPUTER WEATHER FORECAST

YANKTON, SD 3 hourly weather forecast

weather forecast created 5:00 AM PDT 8/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
15 AUG 2026

1 PM

77°

78°

Mostly Cloudy

67%
RAIN
***

0% Thunder
( 31% severe)

W 6

100%

77°

High 78°

4 PM

77°

78°

Mostly Cloudy

WNW 6

97%

76°

Mostly Cloudy

Rain Likely

7 PM

76°

75°

Mostly Cloudy

19%
RAIN
.01–.1 in

0% Thunder
( 24% severe)

WNW 5

100%

76°

10 PM

72°

72°

Mostly Cloudy

WNW 6

100%

72°

Sunday
16 AUG 2026

1 AM

69°

69°

Partly Cloudy

5%

0% Thunder
( 9% severe)

NW 7

100%

69°

Low 63°

4 AM

66°

66°

Partly Cloudy

NNW 8

100%

66°

High 78°

7 AM

63°

63°

Mostly Cloudy

4%

0% Thunder
( 2% severe)

NNW 7

100%

63°

Decreasing Clouds

10 AM

68°

68°

Partly Cloudy

NNW 8

93%

66°

1 PM

74°

74°

Clear

1%

0% Thunder
( 5% severe)

NNW 9

76%

66°

4 PM

78°

80°

Clear

NNW 8

67%

66°

7 PM

75°

75°

Clear

0%

0% Thunder
( 6% severe)

NNW 6

82%

69°

10 PM

67°

67°

Partly Cloudy

NNW 2

97%

66°

Monday
17 AUG 2026

1 AM

63°

64°

Partly Cloudy

5%

0% Thunder
( 10% severe)

CALM

100%

63°

Low 58°

4 AM

62°

63°

Mostly Cloudy

CALM

100%

62°

High 80°

7 AM

61°

62°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 12% severe)

CALM

100%

61°

Mostly Cloudy

Chance of Rain

10 AM

69°

69°

Mostly Cloudy

SSW 6

97%

68°

1 PM

75°

75°

Partly Cloudy

29%
RAIN
.1–.25 in

0% Thunder
( 29% severe)

SSW 12

84%

70°

4 PM

79°

82°

Mostly Cloudy

SW 10

79%

72°

7 PM

77°

78°

Partly Cloudy

W 7

94%

75°


YANKTON, SD extended weather forecast
Tuesday 18 AUG 2026	Wednesday 19 AUG 2026	Thursday 20 AUG 2026	Friday 21 AUG 2026	Saturday 22 AUG 2026
Low 65°	Low 62°	Low 62°	Low 62°	Low 65°
High 81°	High 82°	High 82°	High 83°	High 88°

Partly Cloudy 63% Rain	Partly Cloudy 22% Rain	Partly Cloudy 54% Rain	Partly Cloudy 28% Rain	Clear 15% Rain

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